ZLAB Form 144: 50,000 ADS notice for 03/09/2026

ZLAB filed a Form 144 notice relating to sales of American Depositary Shares.

Rhea-AI Filing Summary

ZLAB filed a Form 144 notice relating to sales of American Depositary Shares. The filing lists an intended sale of 50,000 ADS on 03/09/2026 through Fidelity Brokerage Services LLC and records executed sales by Ying Du of 50,000 ADS on 03/04/2026, 50,000 ADS on 03/05/2026, and 50,000 ADS on 03/06/2026 with reported dollar amounts of $958,155.00, $961,055.00, and $959,000.00 respectively.

Insights

Securities Transactions Analyst

Form 144 lists multiple ADS transactions and a planned 50,000-ADS sale on 03/09/2026.

The filing shows an intended disposition of 50,000 American Depositary Shares via Fidelity Brokerage Services LLC on 03/09/2026 and three recent sales by Ying Du on 03/04/2026, 03/05/2026, and 03/06/2026 with the stated dollar amounts. These entries are routine regulatory notices required under Section 144.

Cash-flow treatment is explicit for the intended sale as Cash. Timing and further seller intent beyond the listed dates are not provided in the excerpt; subsequent filings or broker reports would show execution details.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does ZLAB's Form 144 filed for 03/09/2026 mean?

It notifies the SEC of an intended sale of 50,000 ADS on 03/09/2026, a regulatory disclosure required for certain insider or control-person sales. The filing lists the broker as Fidelity Brokerage Services LLC and the sale method as Cash.

Who executed recent ADS sales reported in the ZLAB excerpt?

The excerpt reports executed sales by Ying Du of 50,000 ADS on 03/04/2026, 50,000 ADS on 03/05/2026, and 50,000 ADS on 03/06/2026. Each line includes a corresponding dollar amount shown in the filing.

What dollar amounts are shown for the Ying Du ADS sales?

The filing lists proceeds of $958,155.00 for 03/04/2026, $961,055.00 for 03/05/2026, and $959,000.00 for 03/06/2026. These appear as reported sale amounts in the excerpt.

Does the Form 144 excerpt state whether ZLAB receives proceeds?

The excerpt identifies the sale method as Cash for the listed ADS disposition, but it does not state a proceeds recipient beyond standard broker identification. The filing does not specify issuer proceeds or a resale versus primary issuance distinction.

Which broker is named for the intended 03/09/2026 ADS transaction?

The filing names Fidelity Brokerage Services LLC at 900 Salem Street, Smithfield, RI, in connection with the listed 50,000 ADS transaction dated 03/09/2026, as shown in the excerpt.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 03/09/2026 - 02:12 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001731790
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	Zai Lab Ltd
SEC File Number	001-38205
Address of Issuer	899 HALEI ROAD BUILDING B, PUDONG SHANGHAI CHINA 201203
Phone	862161632588
Name of Person for Whose Account the Securities are To Be Sold	Du Ying
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer
Relationship to Issuer	Director

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
American Depositary Shares	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	50000	960500.00	307140690	03/09/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
American Depositary Shares	03/09/2026	Option Granted - 08/25/2016	Issuer			50000	03/09/2026	Cash

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	03/04/2026	50000	958155.00
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	03/05/2026	50000	961055.00
Ying Du 899 Halei Road Building B, Pudong Shanghai F4 201203	American Depositary Shares	03/06/2026	50000	959000.00

144: Remarks and Signature

Remarks
Date of Notice	03/09/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	11/11/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Tyler Johnson, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Ying Du
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)